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Natasha_Volkova [10]
3 years ago
6

How are DNA, genes and chromosomes related

Chemistry
2 answers:
salantis [7]3 years ago
6 0
Chromosomes make up DNA and DNA make up genes I believe.
zysi [14]3 years ago
3 0
Chromosomes have genes, and genes are segments of DNA.
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A intramuscular medication is given at 5.00mg/kg of body weight. What is the dose in grams for a 180-lb patient?
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0.408 gram for 180-lb patient
7 0
3 years ago
Read 2 more answers
Can you check this for me?
Aliun [14]
Hi, your answer is correct.
3 0
3 years ago
Alkaline batteries are non-rechargeable.<br> Why do alkaline batteries eventually stop working?
scoray [572]

Answer:

Alkaline batteries stop working when all of the manganese dioxide has been converted.

Explanation: Hope it helps you :)))

Have a good day

4 0
2 years ago
2) If 100.0 J of heat are added to 20.0 g of water at 30.0°C, what will be the final
anzhelika [568]
The final temperature of the water will be 31.2 °C... i don’t know the second one sorry :(
3 0
2 years ago
1.12g H2 is allowed to react with 9.60 g N2, producing 1.23 g NH3.
andriy [413]

Answer:

A. m_{NH_3}^{theo} =1.50gNH_3

B. Y=82.2\%

Explanation:

Hello!

In this case, since the undergoing chemical reaction between nitrogen and hydrogen is:

N_2+3H_2\rightarrow 2NH_3

Thus we proceed as follows:

A. Here, we first need to compute the moles of ammonia yielded by each reactant, in order to identify the limiting one:

n_{NH_3}^{by \ H_2}=1.12gH_2*\frac{1molH_2}{2.02gH_2}*\frac{2molNH_3}{3molH_2}=0.370molNH_3\\\\  n_{NH_3}^{by \ N_2}=1.23gN_2*\frac{1molN_2}{28.02gN_2}*\frac{2molNH_3}{1molN_2}=0.0878molNH_3

Thus, since nitrogen yields the fewest moles of ammonia, we realize it is the limiting reactant, so the theoretical yield, in grams, of ammonia is:

m_{NH_3}^{theo}=0.0878mol*\frac{17.04gNH_3}{1molNH_3} =1.50gNH_3

B. Finally, since the actual yield of ammonia is 1.23, the percent yield turns out:

Y=\frac{1.23gNH_3}{1.50gNH_3} *100\%\\\\Y=82.2\%

Best regards!

5 0
3 years ago
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